We look at a new study of one thousand centenarians and what scientists have learned about the roles of genes in predicting extreme longevity. We also talk about the politics of old age in a society where, as some say, seventy is the new fifty. Also, Mexico’s old-line ruling party shows renewed strength, and new developments in artificial intelligence. Furry things and other robots designed to keep us company are making it out of science labs and into homes and hospitals. Sara Terry sits in for a vacationing Warren Olney.
Banner image: Mamie Underhill (L), 104, and her daughter Leita Chapman laugh while reading a birthday card for Mamie during a birthday celebration for five women residents at the Solheim Lutheran Home who are 100-years-old or more August 16, 2002 in Los Angeles, California. Mamie turns 105 on September 19. Photo: David McNew/Getty Images